[INFO] fetching crate ferrilog 0.1.0...
[INFO] checking ferrilog-0.1.0 against 1.95.0 for pr-155915
[INFO] extracting crate ferrilog 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ferrilog 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ferrilog 0.1.0
[INFO] tweaked toml for crates.io crate ferrilog 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ferrilog 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ferrilog 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ferrilog-macros v0.1.0
[INFO] [stderr]   Downloaded ferrilog-core v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2587fc5e26b3ab0b1fa955879fc392f02355facea7efc1d856c9e0d6e917c41
[INFO] running `Command { std: "docker" "start" "-a" "b2587fc5e26b3ab0b1fa955879fc392f02355facea7efc1d856c9e0d6e917c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2587fc5e26b3ab0b1fa955879fc392f02355facea7efc1d856c9e0d6e917c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2587fc5e26b3ab0b1fa955879fc392f02355facea7efc1d856c9e0d6e917c41", kill_on_drop: false }`
[INFO] [stdout] b2587fc5e26b3ab0b1fa955879fc392f02355facea7efc1d856c9e0d6e917c41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 332157a18828346ee0972d35f89d67be76657efd87d6d80e40476da2dfd665d9
[INFO] running `Command { std: "docker" "start" "-a" "332157a18828346ee0972d35f89d67be76657efd87d6d80e40476da2dfd665d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.47
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]    Compiling zerocopy-derive v0.8.47
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking ferrilog-core v0.1.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]    Compiling ferrilog-macros v0.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ferrilog-core-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization, thread_local, core_intrinsics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ferrilog-core` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "332157a18828346ee0972d35f89d67be76657efd87d6d80e40476da2dfd665d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "332157a18828346ee0972d35f89d67be76657efd87d6d80e40476da2dfd665d9", kill_on_drop: false }`
[INFO] [stdout] 332157a18828346ee0972d35f89d67be76657efd87d6d80e40476da2dfd665d9